PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/16-15:12:40
G02     201.8          21.5               11.6 +/-    1.59      24.5 +/-    1.59  0.070 / 0.320
G06     165.6          59.4               10.2 +/-    1.13      11.6 +/-    1.13  0.090 / 0.280
G12     302.9          11.7                5.6 +/-    2.68      15.0 +/-    2.68  0.080 / 0.130
G13     224.5          10.8               10.3 +/-    3.51      28.3 +/-    3.51  0.080 / 0.140
G17     27.4           56.0                8.5 +/-    0.59      10.0 +/-    0.59  0.150 / 0.280
G19     322.0          70.0                7.7 +/-    0.38       8.1 +/-    0.38  0.150 / 0.300
G24     306.5          33.4                7.0 +/-    1.45      11.5 +/-    1.45  0.050 / 0.040
G28     91.5           37.9                8.4 +/-    0.52      12.6 +/-    0.52  0.050 / 0.040
G30     158.1          12.9                9.2 +/-    0.94      24.2 +/-    0.94  0.220 / 0.520